CN216914208U - Three-edge straight knife - Google Patents
Three-edge straight knife Download PDFInfo
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- CN216914208U CN216914208U CN202123407863.5U CN202123407863U CN216914208U CN 216914208 U CN216914208 U CN 216914208U CN 202123407863 U CN202123407863 U CN 202123407863U CN 216914208 U CN216914208 U CN 216914208U
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- knife
- blade
- inclined plane
- shaping
- inclined surface
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Abstract
The utility model discloses a three-edge straight knife which comprises a knife handle, wherein a knife mounting part is formed at the top of the knife handle, a knife body is arranged at the top of the knife mounting part, three drain grooves which are equally spaced and annularly distributed are formed in the side edge of the knife body, the left side of each drain groove is a right angle, the left side of each drain groove is formed into a first knife edge, the right side of the top end of each drain groove is formed with a first inclined surface and a second inclined surface which are continuously inclined upwards, the inclination angle of each first inclined surface is larger than that of each second inclined surface, and a second knife edge is formed on the right side of each second inclined surface.
Description
Technical Field
The utility model relates to the technical field of numerical control cutters, in particular to a three-edge straight cutter.
Background
The prior cutter for processing wood on the market has the problems that the cutter body is easy to break, the chip removal is not smooth and the wood is easy to crack.
SUMMERY OF THE UTILITY MODEL
The present invention aims to overcome the defects of the prior art and provide a technical solution to the above problems.
The utility model provides a three-blade straight knife, its includes the handle of a knife, the top shaping of handle of a knife has the cutter installation department, cutter installation department top is equipped with the cutter body, the side shaping of cutter body has the escape canal of three equidistant and annular distribution, the left side of escape canal is the right angle, the left side shaping of escape canal is first cutting edge, the shaping of escape canal top right side has two sections continuous oblique ascending first inclined planes, second inclined plane, and the inclination on first inclined plane is greater than the second inclined plane, the right side on second inclined plane forms the second cutting edge.
Preferably, an annular groove is formed at the joint of the tool holder and the tool mounting part.
Preferably, the narrow lower frame on the cutter mounting part is horn-shaped.
Preferably, the bottom of the tool shank is rounded.
Preferably, the lower portion of the drain groove is outwardly curved.
Preferably, the cutter body and the cutter mounting part are connected by high-frequency welding.
Compared with the prior art, the utility model has the beneficial effects that: according to the three-blade straight knife, the lower part of the discharge groove is arranged in an outward arc shape, so that cut chips can be conveniently discharged, the edge after punching can be cut smoothly by the first knife edge, edge explosion is not prone to occurring, and the rear end of the second knife edge is provided with the first inclined surface and the second inclined surface which are continuous in two sections, so that cutting is more stable.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is another schematic structural diagram of the present invention.
In the figure: 1. a knife handle; 2. a tool mounting portion; 3. a cutter body; 4. a drain tank; 5. a first blade; 6. a first inclined plane; 7. a second inclined plane; 8. a second blade; 9. an annular groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 2, in the embodiment of the utility model, a three-blade straight knife includes a knife handle 1, the knife handle 1 is provided with a knife mounting portion 2 formed at the top of the knife handle 1, a knife body 3 is arranged at the top of the knife mounting portion 2, three drain grooves 4 are formed on the side of the knife body 3 and distributed in an annular shape at equal intervals, the left side of each drain groove 4 is a right angle, the left side of each drain groove 4 is formed into a first knife blade 5, the right side of the top end of each drain groove 4 is formed with two sections of a first inclined surface 6 and a second inclined surface 7 which are continuously inclined upwards, the inclination angle of the first inclined surface 6 is larger than that of the second inclined surface 7, and the right side of the second inclined surface 7 is formed into a second knife blade 8.
Preferably, an annular groove 9 is formed at the joint of the tool holder 1 and the tool mounting part 2.
Preferably, the narrow lower frame on the cutter mounting part 2 is trumpet-shaped.
Preferably, the bottom of the tool shank 1 is rounded.
Preferably, the lower portion of the drain tank 4 is outwardly curved; the lower part of the discharge groove 4 is arc-shaped, so that the cut residual materials can be conveniently discharged.
Preferably, the cutter body 3 and the cutter mounting part 2 are connected by high-frequency welding; and a high-frequency welding mode is adopted, so that the connection is more stable.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. The utility model provides a three-blade straight knife, its characterized in that, it includes the handle of a knife, the top shaping of handle of a knife has the cutter installation department, cutter installation department top is equipped with the cutter body, the side shaping of cutter body has the escape canal of three equidistant and annular distribution, the left side of escape canal is the right angle, the left side shaping of escape canal is first cutting edge, the shaping of escape canal top right side has two sections oblique ascending first inclined planes, second inclined plane in succession, and the inclination on first inclined plane is greater than the second inclined plane, the right side on second inclined plane forms the second cutting edge.
2. A three-edged straight blade as defined in claim 1, wherein an annular groove is formed at a junction of the shank and the tool mounting portion.
3. A three-edged straight blade as claimed in claim 1, wherein the narrow lower frame on the blade mounting portion is flared.
4. A three-edged straight blade as claimed in claim 1, wherein the bottom of the shank is rounded.
5. A three-edged straight blade as claimed in claim 1, wherein the lower portion of the discharge chute is outwardly curved.
6. A three-edged straight blade as claimed in claim 1, wherein the blade body and the blade mounting portion are joined by high-frequency welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123407863.5U CN216914208U (en) | 2021-12-31 | 2021-12-31 | Three-edge straight knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123407863.5U CN216914208U (en) | 2021-12-31 | 2021-12-31 | Three-edge straight knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216914208U true CN216914208U (en) | 2022-07-08 |
Family
ID=82257185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123407863.5U Active CN216914208U (en) | 2021-12-31 | 2021-12-31 | Three-edge straight knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216914208U (en) |
-
2021
- 2021-12-31 CN CN202123407863.5U patent/CN216914208U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |